WATERBORNE POLYURETHANE DISPERSIONS FOR PREPARING POLYURETHANE FOAM FOR SYNTHETIC LEATHER AND SYNTHETIC LEATHER ARTICLES PREPARED WITH THE SAME
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United States of America Patent
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Jul 25, 2024
app pub date -
Aug 30, 2021
filing date -
Aug 30, 2021
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A waterborne polyurethane dispersion for the polyurethane foam of synthetic leather application, derived from (1) a prepolymer derived from the reaction of reactants comprising at least one aromatic isocyanate compound, an ethylene oxide-capped polyether triol, at least one polyether diol, and at least one polyester diol; (2) water; and (3) surfactant, is disclosed. The waterborne polyurethane dispersion can be used to prepare a synthetic leather product having superior wrinkle resistance, hand-feeling and peel strength. A synthetic leather article prepared with said waterborne polyurethane dispersion is also disclosed.
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